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Tony Leukering

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Everything posted by Tony Leukering

  1. For birds with distinct yellow rumps, one would do well to start with Yellow-rumped Warbler. There are three other warbler species with yellow rumps, but on none of them is the yellow so contrasting and sharply defined.
  2. Immature male Common Yellowthroat -- note the bit of black feathering below the eye. While some immature males may not show any black until later in the molt, any Common Yellowthroat that shows black anywhere in what would be the mask, is a male.
  3. In bird names, any letter immediately following a hyphen that is NOT in the group name is lower case; immediately following a space is upper case. So, Black-and-white Warbler and Great Black-backed Gull, but Eastern Wood-Pewee.
  4. wood-pewees are flycatchers I cannot discern from this photo how long the wings are -- the wing tips are not visible I'm quite happy with "flycatcher sp."
  5. Immature Common Yellowthroat; adult females have much brighter yellow below and stronger contrast on head Adult female in fall Immature on the very dull end in fall
  6. It does not have a yellow rump. That color is on the base of the tail. The rump is not visible here.
  7. Yes, although only one 'd' in "Orange-crowned"
  8. #1 -- Willow #2 -- Western Wood-Pewee #3 -- certainly a Contopus, but you didn't let us know when, so...
  9. Since it's October in NV, you should start with Western Wood-Pewee; nothing else is all that likely in most of the state in Oct. To confirm the genus of Contopus, note the dark smudges on the longest under-tail coverts; Empidonax lack such.
  10. It's not a hawk, it's a falcon. Hawks are in the Accipitriformes, while falcons are in the Falconiformes. They're not at all related. Note relative width of pale vs. dark tail bands. Note where wing tips fall relative to tail tip. Note eye color.
  11. Where in Nebraska? It makes a difference when you're talking small flycatchers. Yes on a wood-pewee, but....
  12. https://cobirds.org/CFO/ColoradoBirds/InTheScope/84.pdf Song Sparrow Blue-gray Gnatcatcher I lean to Cassin's Kingbird (no space, no capital 'b') -- white on cheek abruptly ends at back of eye; tail with buffy tips to feathers, but photos leave much to be desired to be certain
  13. https://ebird.org/media/catalog?taxonCode=houfin&mediaType=p&q=House Finch - Haemorhous mexicanus
  14. https://cobirds.org/CFO/ColoradoBirds/InTheScope/84.pdf
  15. If you don't like the blue legs, feet, toes, then note that the yellow on the underparts is restricted to the sides.
  16. http://cowyebird.blogspot.com/2015/02/stone-age-to-industrial-age-evolution.html
  17. Immature Cal Gulls ALWAYS have strongly bicolored bills after Aug or Sep.
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